20797249

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 23777280

約数和(自身を除く): 2980031

約数列:

[1, 11, 31, 71, 341, 781, 859, 2201, 9449, 24211, 26629, 60989, 292919, 670879, 1890659, 20797249]

約数ペア:

[(1, 20797249), (11, 1890659), (31, 670879), (71, 292919), (341, 60989), (781, 26629), (859, 24211), (2201, 9449)]